﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace AcctrueWMS.Foundation.Util
{
    /// <summary>
    /// 在字符和拼音之间转换，使用utf-8编码
    /// </summary>
    public static class PinyinFetcher
    {
        /// <summary>
        /// 得到字符串的拼音缩写
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        public static string GetAbbreviation(string str)
        {
            string pinyin = string.Empty;
            foreach (char c in str)
            {
                pinyin += GetPinyinOfChar(c.ToString());
            }
            return pinyin;
        }

        static string GetPinyinOfChar(string c) 
        {
            //Encoding utf8 = Encoding.UTF8;
            byte[]  array = Encoding.Default.GetBytes(c);
            if (array.Length < 2)
                return c;
            int i = (short)(array[0] - '\0') * 256 + ((short)(array[1] - '\0'));
            if (i < 0xB0A1) return c;
            if (i < 0xB0C5) return "a";
            if (i < 0xB2C1) return "b";
            if (i < 0xB4EE) return "c";
            if (i < 0xB6EA) return "d";
            if (i < 0xB7A2) return "e";
            if (i < 0xB8C1) return "f";
            if (i < 0xB9FE) return "g";
            if (i < 0xBBF7) return "h";
            if (i < 0xBFA6) return "g";
            if (i < 0xC0AC) return "k";
            if (i < 0xC2E8) return "l";
            if (i < 0xC4C3) return "m";
            if (i < 0xC5B6) return "n";
            if (i < 0xC5BE) return "o";
            if (i < 0xC6DA) return "p";
            if (i < 0xC8BB) return "q";
            if (i < 0xC8F6) return "r";
            if (i < 0xCBFA) return "s";
            if (i < 0xCDDA) return "t";
            if (i < 0xCEF4) return "w";
            if (i < 0xD1B9) return "x";
            if (i < 0xD4D1) return "y";
            if (i < 0xD7FA) return "z";
            return c;

 
        }
    }
}
